Horacio Zeballos defeated Rodolfo Daruich 6-1 6-4 in the Argentina F7 qualifying round on clay. The upset overturned the form book — Rodolfo Daruich came in leading the head-to-head 1–0. Horacio Zeballos claimed a first win over Rodolfo Daruich in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-22 | Argentina F7 | QF | clay | Rodolfo Daruich | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.